Paracromyocrinus oklahomensis Moore & Plummer, 1938 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Echinodermata class Crinoidea family Cromyocrinidae genus Paracromyocrinus species Paracromyocrinus oklahomensis Name Homonyms Paracromyocrinus oklahomensis Moore & Plummer, 1938